| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | why did [adv] we [vb infin] | 11 |
|
| 2 | why did [not/n't] we [vb infin] | 11 |
|
| 3 | why did n't we [vb infin] | 11 |
|
| 4 | why did not we [vb infin] | 11 |
|
| 5 | why did we [adv] [vb infin] | 5 |
|
